19112004

素因数分解:

$2^2\times 3^3\times {\mathrm{271}}^1\times {\mathrm{653}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 49808640

約数和(自身を除く): 30696636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 271, 542, 653, 813, 1084, 1306, 1626, 1959, 2439, 2612, 3252, 3918, 4878, 5877, 7317, 7836, 9756, 11754, 14634, 17631, 23508, 29268, 35262, 70524, 176963, 353926, 530889, 707852, 1061778, 1592667, 2123556, 3185334, 4778001, 6370668, 9556002, 19112004]

約数ペア:

[(1, 19112004), (2, 9556002), (3, 6370668), (4, 4778001), (6, 3185334), (9, 2123556), (12, 1592667), (18, 1061778), (27, 707852), (36, 530889), (54, 353926), (108, 176963), (271, 70524), (542, 35262), (653, 29268), (813, 23508), (1084, 17631), (1306, 14634), (1626, 11754), (1959, 9756), (2439, 7836), (2612, 7317), (3252, 5877), (3918, 4878)]